Datamax I-Class User Manual - Page 11

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Scanner Fault

The Scanner could not

successfully read the bar

code.

 Note: This is a

normal condition when a

bar code is unreadable.

Press the FEED Key to clear the fault. Examine the print quality of the label

being failed (refer to the I-Class Operator's Manual for details). If the bar

code(s) appear(s) to be free of voids with sufficient quiet zone space, try the

following:

1) Make sure the scanner cable is securely connected (the scanner

should emit a red light after the printer is powered-up); refer to the

drawing in Overview.

2) The scanner setup could be corrupt or out of sync; cycle the printer's

power off and on.

3) Check for dirt or debris on the scanner's

necessary; see Maintenance.

4) Ensure that ambient light is not interfering; reduce or redirect any bright

light source that could 'blind' the optics.

5) Ensure that the Tear Bar, P eel Mechanism, or Rewind Plate has been

mounted to the printer (if using an external rewinder, attach the labels

to the spindle) and verify the alignment; see Alignment.

6) Ensure the bar code is supported and enabled; see Setup and

Configuration.

7) If the bar code is being sent to the printer as an image (bitmap), or if the

bar code uses certain addendums, ensure that 'Barcode Count - Auto'

mode has not been selected; see Setup and Configuration.

8) Ensure that the "X" dimension of t he bar code is 10 mils or greater with

adequate quiet zones. Consult your host software application.

9) If using multiple-up bar codes that contain the same data, ensure that

sufficient white space exists between the rows; see Label Layout.

10) Adjust the Heat and/or Print Speed

Consult your host software applicat ion (or make changes through the

printer's front panel; see the I-Class Operator's Manual).

11) The scanner settings may be too rest rictive at the current print speed.

Decrease the 'Min Readable Height' or 'Redundancy Level,' or if

possible lower the print speed or in crease the height of the bar code;

see Setup and Configuration or the I-Class Operator's Manual.

12) Ensure that the label stock has a matte finish (highly reflective or glossy

finish may cause excessive specular reflection); try a different media.

If the fault continues to occur, yet the bar code is readable on other

devices, it is possible that the sc anner is misaligned. Realign the scanner;

see Alignment.

Datamax-O'Neil is ready to answer questions and help resolve any

problems that you may encounter.

Try these solutions...

settings for better print quality.

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